linux-kernel - Re: [net PATCH] net: ethernet: mediatek: disable irq before schedule napi

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Date:   Thu, 05 Oct 2023 13:30:35 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Christian Marangi <ansuelsmth@...il.com>
Cc:     nbd@....name, john@...ozen.org, sean.wang@...iatek.com,
        Mark-MC.Lee@...iatek.com, lorenzo@...nel.org, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com,
        igvtee@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, stable@...r.kernel.org
Subject: Re: [net PATCH] net: ethernet: mediatek: disable irq before schedule napi

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Mon,  2 Oct 2023 16:08:05 +0200 you wrote:
> While searching for possible refactor of napi_schedule_prep and
> __napi_schedule it was notice that the mtk eth driver disable the
> interrupt for rx and tx AFTER napi is scheduled.
> 
> While this is a very hard to repro case it might happen to have
> situation where the interrupt is disabled and never enabled again as the
> napi completes and the interrupt is enabled before.
> 
> [...]

Here is the summary with links:
  - [net] net: ethernet: mediatek: disable irq before schedule napi
    https://git.kernel.org/netdev/net/c/fcdfc462881d

You are awesome, thank you!
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